linux-kernel - Re: [PATCH] include/linux/slab.h: new KFREE() macro.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <84144f020701080000v460a9f3aja9570e72fa457934@mail.gmail.com>
Date:	Mon, 8 Jan 2007 10:00:41 +0200
From:	"Pekka Enberg" <penberg@...helsinki.fi>
To:	"Hua Zhong" <hzhong@...il.com>
Cc:	"Amit Choudhary" <amit2030@...oo.com>,
	"Christoph Hellwig" <hch@...radead.org>,
	"Linux Kernel" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] include/linux/slab.h: new KFREE() macro.

On 1/8/07, Hua Zhong <hzhong@...il.com> wrote:
> > And as I explained, it can result in longer code too. So, why
> > keep this value around. Why not re-initialize it to NULL.
>
> Because initialization increases code size.

And it also effectively blocks the slab debugging code from doing its
job detecting double-frees.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/